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EN 1.4057 Stainless Steel vs. EN 1.7216 Steel

Both EN 1.4057 stainless steel and EN 1.7216 steel are iron alloys. They have 82% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4057 stainless steel and the bottom bar is EN 1.7216 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11 to 17
12 to 23
Fatigue Strength, MPa 320 to 430
290 to 440
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 520 to 580
410 to 560
Tensile Strength: Ultimate (UTS), MPa 840 to 980
650 to 930
Tensile Strength: Yield (Proof), MPa 530 to 790
400 to 690

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 850
420
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
46
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.4
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.2
1.5
Embodied Energy, MJ/kg 32
20
Embodied Water, L/kg 120
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 96 to 130
110 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 700 to 1610
430 to 1280
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30 to 35
23 to 33
Strength to Weight: Bending, points 26 to 28
21 to 27
Thermal Diffusivity, mm2/s 6.7
12
Thermal Shock Resistance, points 30 to 35
19 to 27

Alloy Composition

Carbon (C), % 0.12 to 0.22
0.27 to 0.34
Chromium (Cr), % 15 to 17
0.8 to 1.2
Iron (Fe), % 77.7 to 83.4
97.2 to 98.4
Manganese (Mn), % 0 to 1.5
0.35 to 0.6
Molybdenum (Mo), % 0
0.15 to 0.3
Nickel (Ni), % 1.5 to 2.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.035

Comparable Variants